Evidence supporting the use of: Vitamin D
For the health condition: Infection (bacterial)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Vitamin D has garnered scientific interest for its potential role in supporting the immune system, including defenses against bacterial infections. It is well-established that vitamin D receptors are present on various immune cells, such as macrophages and dendritic cells, which are integral to the body’s response to pathogens. Laboratory and some clinical studies suggest that vitamin D can enhance the production of antimicrobial peptides like cathelicidin, which help the body combat bacterial invaders. Observational studies have linked low vitamin D levels to an increased susceptibility to infections such as tuberculosis, respiratory tract infections, and sepsis.

However, while there is mechanistic and epidemiological evidence supporting a role for vitamin D in immune function, the overall clinical evidence for its effectiveness in treating or preventing bacterial infections is mixed and not robust. Randomized controlled trials have generally shown modest or no benefit for vitamin D supplementation in reducing bacterial infection rates in otherwise healthy populations. Some subgroups, such as individuals with profound vitamin D deficiency or those at high risk for specific infections, may benefit more, but evidence remains inconsistent. As a result, vitamin D is not a standard therapy for bacterial infections, but may be considered as an adjunct in individuals with deficiency. The evidence rating of 2 reflects promising biological plausibility and some observational support, but insufficient consistent clinical trial data to warrant widespread use for this indication.

More about vitamin D
More about Infection (bacterial)

Other ingredients used for Infection (bacterial)

15,16-Dihydrotanshinone I
2'-Fucosyllactose
3-Phenyllactic Acid
Abies spectabilis
Abrus
Abuta
Acacia
Acemannan
Achyranthes
Agarikon Mushroom
Agastache
Agave
Ajoene
Alantolactone
Alchornea
Alcohol
Allicin
Alliin
Allium tuberosum
Allspice
Allyl isothiocyanate
Allyl sulfide
alpha-pinene
alpha-terpineol
Alstonia scholaris
Amor seco
anamu
Andrographis
andrographolide
annatto
apple cider vinegar
Asam gelugor
Asarum heterotropoides
aucubin
avens
babchi
Baccharis dracunculifolia
Baccharoides anthelmintica
Bacillus
bacillus clausii
Bacillus licheniformis
bacillus subtilis
Backhousia citriodora
bacteria
Baphicacanthus cusia
barberry
Basidiomycota
Bassia scoparia
Bauhinia
bayberry
bearberry
bee propolis
Belamcanda
bentonite
benzyl isothiocyanate
berberine
Berberis (unspecified)
Bergenia
beta-glucan
betel
Bifidobacterium
Bifidobacterium animalis
Bifidobacterium bifidum
Bifidobacterium lactis
Bifidobacterium longum
black cumin
black nightshade
black pepper
black walnut
blackboard tree
Blepharis
Brazilian peppertree
Brevibacillus brevis
burdock
Caesalpinia crista
cajuput
calamus
Campsiandra angustifolia
caprylic acid
carvacrol
cassia bark
cat's claw
Ceanothus integerrimus
celandine
Celosia
Centipeda
Chaenomeles lagenaria
Chiococca alba
chirata
cinquefoil
Cistus
Clerodendrum trichotomum
cocklebur
coconut oil
Coin-leaf desmodium
Combretum quadrangulare
copaiba oil
Coptis chinensis
coriolus mushroom
cosmos
curcumin
cuspidatum root
Cymbidium goeringii
Cynodon dactylon
dehydroabietic acid
diallyl disulfide (DADS)
dialyzable leukocyte extract
Dichrostachys glomerata
divi-divi
Echinacea
echinacea purpurea
elderberry
elemi
elephant\'s head
Embelia
eucalyptus
eugenol
Euphorbia
fang-feng
Ficus religiosa
Flueggea suffruticosa
Fomes fomentarius
fucoidan
galangin
Gallesia
geraniol
geranium
ginger
Globulins
glyceryl caprylate caprate
glyceryl monolaurate
golden shower tree
goldenseal
Graviola
Guazuma ulmifolia
heartwood
Horsemint
Houttuynia
Humic acid
Hydrocolloid
Hygrophila
immunoglobin G
Immunoglobulin G
Indian coraltree
iodine
Isoalantolactone
isothiocyanates
Kachnar
Kefiran
Kigelia africana
knotgrass
Kochia
L. lactis
Labdanum
lactic acid
lactiplantibacillus plantarum
Lactobacillus
Lactobacillus brevis
Lactobacillus crispatus
Lactobacillus gasseri
Lactobacillus kefiri
Lactobacillus lactis
Lactobacillus paracasei
Lactobacillus salivarius
Lactococcus casei
Lactococcus rhamnosus
Lactoferrin
Lactoperoxidase
Lantana camara
Lapachol
lauric acid
Lauric arginate
Leptadenia
Leptospermum scoparium
lichen
licorice root
lime
liverwort
Lophira lanceolata
Lysimachia
lysozyme
Macaranga indica
Mahonia
Malva sylvestris
mangostanol
mangosteen
mangostin
mannose
manzanita
Marsh Tea
Matapalo Tree
Methenamine
Mezoneuron benthamianum
Microtea debilis
Milkweed
Mondo grass
Monolaurin
Moringa
Mountain horopito
Myrobalan
Myrrh
N-acetyl-cysteine (NAC)
Naphthoquinones
Nasturtium
Nisin
Oldenlandia diffusa
oriental arborvitae
Orris
Osha
Paenibacillus polymyxa
Pareira
pau d'arco
Pediococcus acidilactici
Pentatropis capensis
Pepper Bark Tree
Peroxidase
Phellodendron
phlorotannins
Phragmites
Piper retrofractum
pistacia integerrima gall
Plectranthus amboinicus
Pluchea
Plumbago zeylanica
Premna
probiotics
purified silver
purple Tephrosia
Quebracho
Quisqualis
red root
Rosa laevigata
Rubia cordifolia
Rubia yunnanensis
Saccharomyces boulardii
Sanguisorba
Sarcandra glabra
sarsaparilla
Savory
schizonepeta
sea salt
Self-Heal
Sesquiterpenic Acid
shiitake mushroom
Shikonin
Simaruba
Siphoviridae
Smoketree
Spanish Needle
Spilanthes
Stemona
Storax
Streptococcus salivarius
streptococcus thermophilus
Streptomyces
Streptomyces cellulosae
Streptomyces fradiae
Streptomyces griseoflavus
Sulfated polysaccharide
Swertia
Sword Bean
Tannins
Teri Pod
Terpinen-4-ol
Thiosulfinate
Thuja
Thymol
Trametes
turmeric
Umckalin
Umckaloabo
Verbascoside
vitamin C
vitamin D
Waltheria ovata
Wasabi
White oak
Xanthorrhizol
Yellow root
Zinc
Zingerone

Other health conditions supported by vitamin D

Allergies (food)
Alzheimer's Disease
Amenorrhea
Anorexia
Apathy
Arrhythmia
Arthritis
Autism
Autoimmune Disorders
Backache
Birth Defects (prevention)
Body Building
Broken Bones
Calcium Deficiency
Cancer (natural therapy for)
Cancer (prevention)
Cancer Treatment (reducing side effects)
Celiac Disease
Chronic Obstructive Pulmonary Disorder
Colds (antiviral)
Colds (general)
Colds (prevention)
Colds (with fever)
Concentration (poor)
Concussions
Confusion
Congestive Heart Failure
Contagious Diseases
Convalescence
Convulsions
Cramps (menstrual)
Cramps and Spasms
Crohn's Disease
Cystic Breast Disease
Cystic Fibrosis
Dandruff
Debility
Dementia
Depression
Dermatitis
Diabetes
Diabetic Retinopathy
Erectile Dysfunction
Estrogen (low)
Fibroids (uterine)
Fibromyalgia Syndrome
Fibrosis
Grave's Disease
Grief and Sadness
Hair (loss or thinning)
Hair Care (general)
Hashimoto's Disease
Headache (cluster)
Heart (weakness)
Hypertension
Hypothyroid
Infection
Infection (bacterial)
Infection (viral)
Infertility
Inflammation
Inflammatory Bowel Disorders
Influenza
Injuries
Irritable Bowel Syndrome
Itching
Knees (weak)
Leaky Gut Syndrome
Leprosy
Lesions
Leukemia
Lou Gehrig's Disease
Lupus
Lymphoma
Melanoma
Memory and Brain Function
Menopause
Menstrual Irregularity
Mental Illness
Metabolic Syndrome
Migraine
Miscarriage (prevention)
Mood Swings
Multiple Sclerosis
Muscle Tone (lack of)
Muscular Dystrophy
Myasthenia Gravis
Nephritis
Nerve Damage
Nervous Exhaustion
Numbness
Nursing
Obsessive Compulsive Disorder
Oral Surgery
Osteoporosis
Pain (general remedies for)
Pancreatitis
Paralysis
Parkinson's Disease
Peripheral Neuropathy
PMS (general)
PMS Type D
PMS Type H
PMS Type P
PMS Type S
Pneumonia
Polyps
Post Partum Depression
Post Partum Weakness
Pregnancy (herbs and supplements for)
Progesterone (low)
Prostatitis
Psoriasis
Rheumatoid Arthritis
Schizophrenia
Sciatica
Seasonal Affective Disorder
Senility
Acne
Allergies (respiratory)
Arteriosclerosis
Asthma
Anemia
Cardiovascular Disease
Fatigue
Tuberculosis